Home / 1,267,504,576.59-1,899,914,994.04-426,346,565.49

Finding the Fourth Proportional to 1,267,504,576.59, 1,899,914,994.04 and 426,346,565.49

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Solution

The fourth proportional to 1,267,504,576.59, 1,899,914,994.04 and 426,346,565.49 is: 639,068,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,504,576.59 : 1,899,914,994.04 = 426,346,565.49 : x
  2. Step 2: Convert to fraction form
    1,267,504,576.59/1,899,914,994.04 = 426,346,565.49/x
  3. Step 3: Cross multiply
    1,267,504,576.59x = 1,899,914,994.04 × 426,346,565.49
  4. Step 4: Simplify right side
    1,267,504,576.59x = 810,022,232,436,155,264
  5. Step 5: Solve for x
    x = 810,022,232,436,155,264/1,267,504,576.59
  6. Step 6: Final answer
    x = 639,068,487.32

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Half scale
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Double scale
Find fourth proportional to 1,267,504,577.59, 1,899,914,995.54 and 426,346,566.49
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.